# XAML Namespaces and Assembly References

> Fix XAML namespace and reference problems of TX Text Control .NET for WPF: the xmlns declaration, the prefix, and references to the assemblies of old versions.

- **Product:** TX Text Control .NET for WPF
- **Section:** Documentation
- **Kind:** Topic
- **Path:** TX Text Control .NET for WPF > Troubleshooting > XAML Namespaces and Assembly References
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/troubleshooting/xaml-namespaces/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/troubleshooting/xaml-namespaces/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/troubleshooting/xaml-namespaces/llms-full.txt

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## On This Page

- [The Controls Aren't Recognized in XAML](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/troubleshooting/xaml-namespaces/#the-controls-aren-t-recognized-in-xaml)
- [The Reference to TXTextControl.WPF Is Missing](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/troubleshooting/xaml-namespaces/#the-reference-to-txtextcontrol-wpf-is-missing)
- [The Project References the Assemblies of an Earlier Version](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/troubleshooting/xaml-namespaces/#the-project-references-the-assemblies-of-an-earlier-version)
- [Related Pages](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/troubleshooting/xaml-namespaces/#related-pages)

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## Nearby

- **Previous:** [Toolbox and XAML Designer](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/troubleshooting/toolbox/llms.txt)
- **Next:** [Control Initialization](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/troubleshooting/initialization/llms.txt)